在资本主义下，我们都是不稳定的，但有些人比其他人更不稳定。
"Under capitalism, we are all precarious, but some are more precarious than others."
The most glorious moments in your life are not the so-called days of success, but rather those days when out of dejection and despair you feel rise in you a challenge to life, and the promise of future accomplishment.
The desire for recognition, the thymotic part of the soul, is the most political part of the human personality because it is what drives people to want to be recognized as superior to others.
君子有九种事情需要考虑到：看，要考虑是否清楚；听，要考虑是否明确；脸色，要考虑是否温和；容貌，要考虑是否恭敬；言语，要考虑是否忠实；做事，要考虑是否认真；疑惑，要考虑是否求教；愤怒，要考虑是否有后患；利益当前，要考虑是否该伸手。
No wise pilot, no matter how great his talent and experience, fails to use his checklist..
Collaboration in mathematics is essential; the exchange of ideas leads to breakthroughs that no single mind could achieve alone.
The past is a mirror, but we often see only what we want to see.